Final answer:
Factory work during the 1800s is best described as mechanized production.
Step-by-step explanation:
The term that best describes factory work during the 1800s is mechanized production. During the Industrial Revolution, manufacturing shifted from skilled artisans producing goods at home to factories that employed low-paid unskilled laborers. These factories introduced mechanized sources, such as water power and later steam, to drive machines and increase production efficiency.